Year	% of total population
1960	2.353494318331898
1961	2.5672216829783876
1962	2.8003565164304396
1963	2.9509116916321734
1964	3.108981771047336
1965	3.2731395919717965
1966	3.4480901907337707
1967	3.6329349122271837
1968	3.8270145203684955
1969	4.028397130357771
1970	4.237859362806396
1971	4.456472539728431
1972	4.6804739777413396
1973	4.98368858942397
1974	5.311007786661814
1975	5.6682361640602235
1976	6.0594501484608285
1977	6.483725216471384
1978	6.941635742285983
1979	7.069523059808647
1980	7.34065600025407
1981	7.6288236594866445
1982	7.5640711702879715
1983	7.480737977429492
1984	7.679965434800458
1985	7.907657435496891
1986	7.978550885474467
1987	8.00820320959725
1988	8.048713140415952
1989	8.089804658009998
1990	8.183925743800186
1991	8.204334416562348
1992	8.176726174478329
1993	8.303082372353558
1994	8.42012996212042
1995	8.35552376185538
1996	8.289164979582075
1997	8.30520016846346
1998	8.322836019439327
1999	8.334681176348106
2000	8.352180136980413
2001	8.375962254198598
2002	8.390315000425984
2003	8.360889507877351
2004	8.293303700014448
2005	8.262059056001132
2006	8.268550227704793
2007	8.28776736075912
2008	8.302566867507656
2009	8.310528553613878
2010	8.327656448105113
2011	8.337656370126638
2012	8.348230868969164
2013	8.353019187901186
2014	8.356731185797663
2015	8.392772304129325
2016	8.431953625762674
2017	8.45642191070805
2018	8.476423990705072
2019	8.504591034612677
2020	8.546545834617275
2021	8.592184747848338
2022	8.647298770010012
2023	8.711426409333598